./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec9_product32.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f20249a191004f50add5285446ee5ffba043f1ff9b40e0e115c641082e595e2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 19:00:22,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 19:00:22,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 19:00:22,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 19:00:22,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 19:00:22,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 19:00:22,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 19:00:22,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 19:00:22,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 19:00:22,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 19:00:22,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 19:00:22,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 19:00:22,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 19:00:22,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 19:00:22,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 19:00:22,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 19:00:22,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 19:00:22,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 19:00:22,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 19:00:22,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 19:00:22,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 19:00:22,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 19:00:22,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 19:00:22,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 19:00:22,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 19:00:22,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 19:00:22,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 19:00:22,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 19:00:22,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 19:00:22,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 19:00:22,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 19:00:22,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 19:00:22,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 19:00:22,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 19:00:22,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 19:00:22,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 19:00:22,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 19:00:22,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 19:00:22,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 19:00:22,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 19:00:22,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 19:00:22,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 19:00:22,659 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 19:00:22,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 19:00:22,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 19:00:22,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 19:00:22,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 19:00:22,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 19:00:22,661 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 19:00:22,661 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 19:00:22,661 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 19:00:22,661 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 19:00:22,662 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 19:00:22,662 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 19:00:22,662 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 19:00:22,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 19:00:22,663 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 19:00:22,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 19:00:22,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 19:00:22,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 19:00:22,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 19:00:22,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 19:00:22,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 19:00:22,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 19:00:22,664 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 19:00:22,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 19:00:22,665 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 19:00:22,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 19:00:22,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 19:00:22,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 19:00:22,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 19:00:22,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 19:00:22,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 19:00:22,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 19:00:22,667 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 19:00:22,667 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f20249a191004f50add5285446ee5ffba043f1ff9b40e0e115c641082e595e2 [2021-12-19 19:00:22,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 19:00:22,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 19:00:22,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 19:00:22,880 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 19:00:22,880 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 19:00:22,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product32.cil.c [2021-12-19 19:00:22,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c774fc57f/4d6aac57cd694f3995c78941efa4abde/FLAG8af84aa04 [2021-12-19 19:00:23,389 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 19:00:23,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product32.cil.c [2021-12-19 19:00:23,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c774fc57f/4d6aac57cd694f3995c78941efa4abde/FLAG8af84aa04 [2021-12-19 19:00:23,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c774fc57f/4d6aac57cd694f3995c78941efa4abde [2021-12-19 19:00:23,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 19:00:23,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 19:00:23,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 19:00:23,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 19:00:23,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 19:00:23,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:00:23" (1/1) ... [2021-12-19 19:00:23,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae569a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:23, skipping insertion in model container [2021-12-19 19:00:23,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:00:23" (1/1) ... [2021-12-19 19:00:23,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 19:00:23,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 19:00:24,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product32.cil.c[17414,17427] [2021-12-19 19:00:24,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:00:24,180 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 19:00:24,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product32.cil.c[17414,17427] [2021-12-19 19:00:24,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:00:24,255 INFO L208 MainTranslator]: Completed translation [2021-12-19 19:00:24,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24 WrapperNode [2021-12-19 19:00:24,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 19:00:24,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 19:00:24,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 19:00:24,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 19:00:24,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24" (1/1) ... [2021-12-19 19:00:24,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24" (1/1) ... [2021-12-19 19:00:24,477 INFO L137 Inliner]: procedures = 99, calls = 352, calls flagged for inlining = 204, calls inlined = 848, statements flattened = 27754 [2021-12-19 19:00:24,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 19:00:24,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 19:00:24,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 19:00:24,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 19:00:24,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24" (1/1) ... [2021-12-19 19:00:24,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24" (1/1) ... [2021-12-19 19:00:24,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24" (1/1) ... [2021-12-19 19:00:24,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24" (1/1) ... [2021-12-19 19:00:24,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24" (1/1) ... [2021-12-19 19:00:24,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24" (1/1) ... [2021-12-19 19:00:24,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24" (1/1) ... [2021-12-19 19:00:24,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 19:00:24,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 19:00:24,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 19:00:24,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 19:00:24,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24" (1/1) ... [2021-12-19 19:00:24,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:00:24,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:00:24,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:00:25,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-19 19:00:25,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 19:00:25,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 19:00:25,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 19:00:25,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 19:00:25,194 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 19:00:25,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 19:00:31,199 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 19:00:31,229 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 19:00:31,229 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-19 19:00:31,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:00:31 BoogieIcfgContainer [2021-12-19 19:00:31,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 19:00:31,236 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 19:00:31,237 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 19:00:31,239 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 19:00:31,239 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:00:31,239 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 07:00:23" (1/3) ... [2021-12-19 19:00:31,240 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7501a490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:00:31, skipping insertion in model container [2021-12-19 19:00:31,240 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:00:31,240 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:00:24" (2/3) ... [2021-12-19 19:00:31,241 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7501a490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:00:31, skipping insertion in model container [2021-12-19 19:00:31,241 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:00:31,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:00:31" (3/3) ... [2021-12-19 19:00:31,243 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product32.cil.c [2021-12-19 19:00:31,276 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 19:00:31,276 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 19:00:31,276 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 19:00:31,276 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 19:00:31,276 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 19:00:31,276 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 19:00:31,276 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 19:00:31,277 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 19:00:31,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7317 states, 7316 states have (on average 1.8715144887916895) internal successors, (13692), 7316 states have internal predecessors, (13692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:00:31,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3642 [2021-12-19 19:00:31,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:00:31,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:00:31,467 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:00:31,467 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:00:31,467 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 19:00:31,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7317 states, 7316 states have (on average 1.8715144887916895) internal successors, (13692), 7316 states have internal predecessors, (13692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:00:31,529 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3642 [2021-12-19 19:00:31,529 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:00:31,529 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:00:31,534 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:00:31,534 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:00:31,542 INFO L791 eck$LassoCheckResult]: Stem: 5904#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 12; 3557#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret134#1, main_~retValue_acc~28#1, main_~tmp~29#1;havoc main_~retValue_acc~28#1;havoc main_~tmp~29#1;assume { :begin_inline_select_helpers } true; 1502#L2966true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 5709#L2959true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~26#1;havoc valid_product_~retValue_acc~26#1;valid_product_~retValue_acc~26#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~26#1; 5096#L2974true main_#t~ret134#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~29#1 := main_#t~ret134#1;havoc main_#t~ret134#1; 6228#L3317true assume 0 != main_~tmp~29#1;assume { :begin_inline_setup } true; 3364#L3292true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 302#L761true assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret127#1, bigMacCall_~tmp~26#1;havoc bigMacCall_~tmp~26#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~30#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~30#1; 4235#L3374true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~30#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~30#1; 2030#L3399true bigMacCall_#t~ret127#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~26#1 := bigMacCall_#t~ret127#1;havoc bigMacCall_#t~ret127#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~26#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 7176#L409true assume 0 == initPersonOnFloor_~floor#1; 6242#L410true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 800#L517-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1962#L201true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 6043#L213-2true assume { :end_inline_callOnFloor } true; 1975#L553true assume { :end_inline_initPersonOnFloor } true; 6823#L3097true assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret128#1, cleanup_#t~ret129#1, cleanup_~i~1#1, cleanup_~tmp~27#1, cleanup_~tmp___0~10#1, cleanup_~__cil_tmp4~3#1;havoc cleanup_~i~1#1;havoc cleanup_~tmp~27#1;havoc cleanup_~tmp___0~10#1;havoc cleanup_~__cil_tmp4~3#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret67#1, timeShift_~tmp~15#1;havoc timeShift_~tmp~15#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 2746#L1171true timeShift_#t~ret67#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~15#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 1804#L2181true assume 0 != timeShift_~tmp~15#1; 524#L2182true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 5109#L2181-1true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret4#1, __utac_acc__Specification9_spec__3_#t~ret5#1, __utac_acc__Specification9_spec__3_#t~ret6#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~0#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 2154#L1162-10true __utac_acc__Specification9_spec__3_#t~ret4#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~0#1 := __utac_acc__Specification9_spec__3_#t~ret4#1;havoc __utac_acc__Specification9_spec__3_#t~ret4#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~0#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 1904#L1222-12true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 1912#L1254-12true __utac_acc__Specification9_spec__3_#t~ret5#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret5#1;havoc __utac_acc__Specification9_spec__3_#t~ret5#1; 6156#L804true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 7035#L814-1true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 5880#L2199true assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 0; 3809#L3124-2true [2021-12-19 19:00:31,546 INFO L793 eck$LassoCheckResult]: Loop: 3809#L3124-2true assume !false; 7073#L3125true cleanup_~__cil_tmp4~3#1 := ~cleanupTimeShifts~0 - 1; 7260#L3128true assume cleanup_~i~1#1 < cleanup_~__cil_tmp4~3#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~3#1;havoc isBlocked_~retValue_acc~3#1;isBlocked_~retValue_acc~3#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~3#1; 6172#L985true cleanup_#t~ret128#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~10#1 := cleanup_#t~ret128#1;havoc cleanup_#t~ret128#1; 1374#L3132true assume 1 != cleanup_~tmp___0~10#1; 6748#L3132-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret15#1, isIdle_~retValue_acc~10#1, isIdle_~tmp~5#1;havoc isIdle_~retValue_acc~10#1;havoc isIdle_~tmp~5#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret10#1, anyStopRequested_#t~ret11#1, anyStopRequested_#t~ret12#1, anyStopRequested_#t~ret13#1, anyStopRequested_#t~ret14#1, anyStopRequested_~retValue_acc~9#1, anyStopRequested_~tmp~4#1, anyStopRequested_~tmp___0~1#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~9#1;havoc anyStopRequested_~tmp~4#1;havoc anyStopRequested_~tmp___0~1#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~0#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 2866#L138-130true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 4011#L165-130true anyStopRequested_#t~ret10#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret10#1;havoc anyStopRequested_#t~ret10#1; 5468#L1270true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~9#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~9#1; 1054#L1334true isIdle_#t~ret15#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~5#1 := isIdle_#t~ret15#1;havoc isIdle_#t~ret15#1;isIdle_~retValue_acc~10#1 := (if 0 == isIdle_~tmp~5#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~10#1; 611#L1347true cleanup_#t~ret129#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~27#1 := cleanup_#t~ret129#1;havoc cleanup_#t~ret129#1; 700#L3144true assume !(0 != cleanup_~tmp~27#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret67#1, timeShift_~tmp~15#1;havoc timeShift_~tmp~15#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 5265#L1171-2true timeShift_#t~ret67#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~15#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 6413#L2181-2true assume 0 != timeShift_~tmp~15#1; 1390#L2182-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 1913#L2181-3true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret4#1, __utac_acc__Specification9_spec__3_#t~ret5#1, __utac_acc__Specification9_spec__3_#t~ret6#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~0#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 6131#L1162-21true __utac_acc__Specification9_spec__3_#t~ret4#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~0#1 := __utac_acc__Specification9_spec__3_#t~ret4#1;havoc __utac_acc__Specification9_spec__3_#t~ret4#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~0#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 2318#L1222-25true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 2781#L1254-25true __utac_acc__Specification9_spec__3_#t~ret5#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret5#1;havoc __utac_acc__Specification9_spec__3_#t~ret5#1; 274#L804-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 4599#L814-3true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 6591#L2199-1true assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 1 + cleanup_~i~1#1; 3809#L3124-2true [2021-12-19 19:00:31,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:00:31,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1510530628, now seen corresponding path program 1 times [2021-12-19 19:00:31,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:00:31,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209429413] [2021-12-19 19:00:31,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:00:31,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:00:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:00:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:00:31,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:00:31,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209429413] [2021-12-19 19:00:31,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209429413] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:00:31,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:00:31,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:00:31,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702580100] [2021-12-19 19:00:31,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:00:31,716 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:00:31,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:00:31,717 INFO L85 PathProgramCache]: Analyzing trace with hash -853801036, now seen corresponding path program 1 times [2021-12-19 19:00:31,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:00:31,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966564636] [2021-12-19 19:00:31,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:00:31,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:00:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:00:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:00:31,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:00:31,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966564636] [2021-12-19 19:00:31,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966564636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:00:31,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:00:31,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 19:00:31,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720753343] [2021-12-19 19:00:31,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:00:31,758 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:00:31,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:00:31,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 19:00:31,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 19:00:31,806 INFO L87 Difference]: Start difference. First operand has 7317 states, 7316 states have (on average 1.8715144887916895) internal successors, (13692), 7316 states have internal predecessors, (13692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:00:32,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:00:32,641 INFO L93 Difference]: Finished difference Result 17950 states and 33550 transitions. [2021-12-19 19:00:32,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 19:00:32,648 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17950 states and 33550 transitions. [2021-12-19 19:00:32,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12526 [2021-12-19 19:00:32,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17950 states to 17896 states and 33489 transitions. [2021-12-19 19:00:32,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17896 [2021-12-19 19:00:32,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17896 [2021-12-19 19:00:32,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17896 states and 33489 transitions. [2021-12-19 19:00:32,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:00:32,843 INFO L681 BuchiCegarLoop]: Abstraction has 17896 states and 33489 transitions. [2021-12-19 19:00:32,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17896 states and 33489 transitions. [2021-12-19 19:00:32,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17896 to 7298. [2021-12-19 19:00:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7298 states, 7298 states have (on average 1.872156755275418) internal successors, (13663), 7297 states have internal predecessors, (13663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:00:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7298 states to 7298 states and 13663 transitions. [2021-12-19 19:00:33,003 INFO L704 BuchiCegarLoop]: Abstraction has 7298 states and 13663 transitions. [2021-12-19 19:00:33,003 INFO L587 BuchiCegarLoop]: Abstraction has 7298 states and 13663 transitions. [2021-12-19 19:00:33,003 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 19:00:33,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7298 states and 13663 transitions. [2021-12-19 19:00:33,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3644 [2021-12-19 19:00:33,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:00:33,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:00:33,023 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:00:33,023 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:00:33,023 INFO L791 eck$LassoCheckResult]: Stem: 32340#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 12; 30886#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret134#1, main_~retValue_acc~28#1, main_~tmp~29#1;havoc main_~retValue_acc~28#1;havoc main_~tmp~29#1;assume { :begin_inline_select_helpers } true; 28355#L2966 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 28356#L2959 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~26#1;havoc valid_product_~retValue_acc~26#1;valid_product_~retValue_acc~26#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~26#1; 31957#L2974 main_#t~ret134#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~29#1 := main_#t~ret134#1;havoc main_#t~ret134#1; 31958#L3317 assume 0 != main_~tmp~29#1;assume { :begin_inline_setup } true; 30713#L3292 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 26031#L761 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret127#1, bigMacCall_~tmp~26#1;havoc bigMacCall_~tmp~26#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~30#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~30#1; 26032#L3374 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~30#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~30#1; 25423#L3399 bigMacCall_#t~ret127#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~26#1 := bigMacCall_#t~ret127#1;havoc bigMacCall_#t~ret127#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~26#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 29183#L409 assume 0 == initPersonOnFloor_~floor#1; 32446#L410 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 25516#L517-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 27073#L201 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 26916#L213-2 assume { :end_inline_callOnFloor } true; 29104#L553 assume { :end_inline_initPersonOnFloor } true; 29105#L3097 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret128#1, cleanup_#t~ret129#1, cleanup_~i~1#1, cleanup_~tmp~27#1, cleanup_~tmp___0~10#1, cleanup_~__cil_tmp4~3#1;havoc cleanup_~i~1#1;havoc cleanup_~tmp~27#1;havoc cleanup_~tmp___0~10#1;havoc cleanup_~__cil_tmp4~3#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret67#1, timeShift_~tmp~15#1;havoc timeShift_~tmp~15#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 30074#L1171 timeShift_#t~ret67#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~15#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 28838#L2181 assume 0 != timeShift_~tmp~15#1; 26500#L2182 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 26501#L2181-1 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret4#1, __utac_acc__Specification9_spec__3_#t~ret5#1, __utac_acc__Specification9_spec__3_#t~ret6#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~0#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 29354#L1162-10 __utac_acc__Specification9_spec__3_#t~ret4#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~0#1 := __utac_acc__Specification9_spec__3_#t~ret4#1;havoc __utac_acc__Specification9_spec__3_#t~ret4#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~0#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 28994#L1222-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 28995#L1254-12 __utac_acc__Specification9_spec__3_#t~ret5#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret5#1;havoc __utac_acc__Specification9_spec__3_#t~ret5#1; 32418#L804 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 25742#L1171-1 __utac_acc__Specification9_spec__3_#t~ret6#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret6#1;havoc __utac_acc__Specification9_spec__3_#t~ret6#1; 25743#L814 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1); 28015#L814-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 32328#L2199 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 0; 31114#L3124-2 [2021-12-19 19:00:33,023 INFO L793 eck$LassoCheckResult]: Loop: 31114#L3124-2 assume !false; 31115#L3125 cleanup_~__cil_tmp4~3#1 := ~cleanupTimeShifts~0 - 1; 32571#L3128 assume cleanup_~i~1#1 < cleanup_~__cil_tmp4~3#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~3#1;havoc isBlocked_~retValue_acc~3#1;isBlocked_~retValue_acc~3#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~3#1; 32423#L985 cleanup_#t~ret128#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~10#1 := cleanup_#t~ret128#1;havoc cleanup_#t~ret128#1; 28139#L3132 assume 1 != cleanup_~tmp___0~10#1; 28140#L3132-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret15#1, isIdle_~retValue_acc~10#1, isIdle_~tmp~5#1;havoc isIdle_~retValue_acc~10#1;havoc isIdle_~tmp~5#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret10#1, anyStopRequested_#t~ret11#1, anyStopRequested_#t~ret12#1, anyStopRequested_#t~ret13#1, anyStopRequested_#t~ret14#1, anyStopRequested_~retValue_acc~9#1, anyStopRequested_~tmp~4#1, anyStopRequested_~tmp___0~1#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~9#1;havoc anyStopRequested_~tmp~4#1;havoc anyStopRequested_~tmp___0~1#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~0#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 30225#L138-130 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 30128#L165-130 anyStopRequested_#t~ret10#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret10#1;havoc anyStopRequested_#t~ret10#1; 31275#L1270 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~9#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~9#1; 26876#L1334 isIdle_#t~ret15#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~5#1 := isIdle_#t~ret15#1;havoc isIdle_#t~ret15#1;isIdle_~retValue_acc~10#1 := (if 0 == isIdle_~tmp~5#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~10#1; 26690#L1347 cleanup_#t~ret129#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~27#1 := cleanup_#t~ret129#1;havoc cleanup_#t~ret129#1; 26691#L3144 assume !(0 != cleanup_~tmp~27#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret67#1, timeShift_~tmp~15#1;havoc timeShift_~tmp~15#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 26859#L1171-2 timeShift_#t~ret67#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~15#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 32050#L2181-2 assume 0 != timeShift_~tmp~15#1; 28171#L2182-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 28172#L2181-3 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret4#1, __utac_acc__Specification9_spec__3_#t~ret5#1, __utac_acc__Specification9_spec__3_#t~ret6#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~0#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 29009#L1162-21 __utac_acc__Specification9_spec__3_#t~ret4#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~0#1 := __utac_acc__Specification9_spec__3_#t~ret4#1;havoc __utac_acc__Specification9_spec__3_#t~ret4#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~0#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 29583#L1222-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 26388#L1254-25 __utac_acc__Specification9_spec__3_#t~ret5#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret5#1;havoc __utac_acc__Specification9_spec__3_#t~ret5#1; 25959#L804-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 25960#L1171-3 __utac_acc__Specification9_spec__3_#t~ret6#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret6#1;havoc __utac_acc__Specification9_spec__3_#t~ret6#1; 31947#L814-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1); 25701#L814-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 31671#L2199-1 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 1 + cleanup_~i~1#1; 31114#L3124-2 [2021-12-19 19:00:33,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:00:33,024 INFO L85 PathProgramCache]: Analyzing trace with hash -78643225, now seen corresponding path program 1 times [2021-12-19 19:00:33,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:00:33,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607012080] [2021-12-19 19:00:33,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:00:33,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:00:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:00:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:00:33,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:00:33,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607012080] [2021-12-19 19:00:33,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607012080] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:00:33,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:00:33,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:00:33,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623450589] [2021-12-19 19:00:33,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:00:33,076 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:00:33,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:00:33,078 INFO L85 PathProgramCache]: Analyzing trace with hash -163121129, now seen corresponding path program 1 times [2021-12-19 19:00:33,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:00:33,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190657997] [2021-12-19 19:00:33,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:00:33,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:00:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:00:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:00:33,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:00:33,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190657997] [2021-12-19 19:00:33,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190657997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:00:33,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:00:33,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-19 19:00:33,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316311975] [2021-12-19 19:00:33,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:00:33,124 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 19:00:33,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:00:33,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-19 19:00:33,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-19 19:00:33,125 INFO L87 Difference]: Start difference. First operand 7298 states and 13663 transitions. cyclomatic complexity: 6366 Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:00:33,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:00:33,763 INFO L93 Difference]: Finished difference Result 13771 states and 25706 transitions. [2021-12-19 19:00:33,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-19 19:00:33,764 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13771 states and 25706 transitions. [2021-12-19 19:00:33,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11025 [2021-12-19 19:00:33,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13771 states to 13771 states and 25706 transitions. [2021-12-19 19:00:33,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13771 [2021-12-19 19:00:33,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13771 [2021-12-19 19:00:33,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13771 states and 25706 transitions. [2021-12-19 19:00:33,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:00:33,900 INFO L681 BuchiCegarLoop]: Abstraction has 13771 states and 25706 transitions. [2021-12-19 19:00:33,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13771 states and 25706 transitions. [2021-12-19 19:00:34,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13771 to 7247. [2021-12-19 19:00:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7247 states, 7247 states have (on average 1.8709810956257762) internal successors, (13559), 7246 states have internal predecessors, (13559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:00:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7247 states to 7247 states and 13559 transitions. [2021-12-19 19:00:34,025 INFO L704 BuchiCegarLoop]: Abstraction has 7247 states and 13559 transitions. [2021-12-19 19:00:34,025 INFO L587 BuchiCegarLoop]: Abstraction has 7247 states and 13559 transitions. [2021-12-19 19:00:34,025 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-19 19:00:34,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7247 states and 13559 transitions. [2021-12-19 19:00:34,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4536 [2021-12-19 19:00:34,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:00:34,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:00:34,044 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:00:34,044 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:00:34,044 INFO L791 eck$LassoCheckResult]: Stem: 51414#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 12; 51415#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret134#1, main_~retValue_acc~28#1, main_~tmp~29#1;havoc main_~retValue_acc~28#1;havoc main_~tmp~29#1;assume { :begin_inline_select_helpers } true; 50291#L2966 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 50292#L2959 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~26#1;havoc valid_product_~retValue_acc~26#1;valid_product_~retValue_acc~26#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~26#1; 50254#L2974 main_#t~ret134#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~29#1 := main_#t~ret134#1;havoc main_#t~ret134#1; 50255#L3317 assume 0 != main_~tmp~29#1;assume { :begin_inline_setup } true; 51746#L3292 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 47535#L761 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret127#1, bigMacCall_~tmp~26#1;havoc bigMacCall_~tmp~26#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~30#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~30#1; 47536#L3374 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~30#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~30#1; 46638#L3399 bigMacCall_#t~ret127#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~26#1 := bigMacCall_#t~ret127#1;havoc bigMacCall_#t~ret127#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~26#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 51154#L409 assume 0 == initPersonOnFloor_~floor#1; 51768#L410 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 46786#L517-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 48924#L201 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 48721#L213-2 assume { :end_inline_callOnFloor } true; 51072#L553 assume { :end_inline_initPersonOnFloor } true; 51073#L3097 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret128#1, cleanup_#t~ret129#1, cleanup_~i~1#1, cleanup_~tmp~27#1, cleanup_~tmp___0~10#1, cleanup_~__cil_tmp4~3#1;havoc cleanup_~i~1#1;havoc cleanup_~tmp~27#1;havoc cleanup_~tmp___0~10#1;havoc cleanup_~__cil_tmp4~3#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret67#1, timeShift_~tmp~15#1;havoc timeShift_~tmp~15#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 51904#L1171 timeShift_#t~ret67#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~15#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 50832#L2181 assume 0 != timeShift_~tmp~15#1; 48229#L2182 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 48230#L2181-1 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret4#1, __utac_acc__Specification9_spec__3_#t~ret5#1, __utac_acc__Specification9_spec__3_#t~ret6#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~0#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 50277#L1162-10 __utac_acc__Specification9_spec__3_#t~ret4#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~0#1 := __utac_acc__Specification9_spec__3_#t~ret4#1;havoc __utac_acc__Specification9_spec__3_#t~ret4#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~0#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 50964#L1222-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 49427#L1254-12 __utac_acc__Specification9_spec__3_#t~ret5#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret5#1;havoc __utac_acc__Specification9_spec__3_#t~ret5#1; 51672#L804 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 47131#L1171-1 __utac_acc__Specification9_spec__3_#t~ret6#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret6#1;havoc __utac_acc__Specification9_spec__3_#t~ret6#1; 47132#L814 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1; 48413#L815 assume 0 == __utac_acc__Specification9_spec__3_~floor~0#1; 48415#L816 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 46870#L814-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 51383#L2199 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 0; 46983#L3124-2 [2021-12-19 19:00:34,045 INFO L793 eck$LassoCheckResult]: Loop: 46983#L3124-2 assume !false; 46984#L3125 cleanup_~__cil_tmp4~3#1 := ~cleanupTimeShifts~0 - 1; 52265#L3128 assume cleanup_~i~1#1 < cleanup_~__cil_tmp4~3#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~3#1;havoc isBlocked_~retValue_acc~3#1;isBlocked_~retValue_acc~3#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~3#1; 51695#L985 cleanup_#t~ret128#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~10#1 := cleanup_#t~ret128#1;havoc cleanup_#t~ret128#1; 50092#L3132 assume 1 != cleanup_~tmp___0~10#1; 50093#L3132-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret15#1, isIdle_~retValue_acc~10#1, isIdle_~tmp~5#1;havoc isIdle_~retValue_acc~10#1;havoc isIdle_~tmp~5#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret10#1, anyStopRequested_#t~ret11#1, anyStopRequested_#t~ret12#1, anyStopRequested_#t~ret13#1, anyStopRequested_#t~ret14#1, anyStopRequested_~retValue_acc~9#1, anyStopRequested_~tmp~4#1, anyStopRequested_~tmp___0~1#1, anyStopRequested_~tmp___1~1#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~9#1;havoc anyStopRequested_~tmp~4#1;havoc anyStopRequested_~tmp___0~1#1;havoc anyStopRequested_~tmp___1~1#1;havoc anyStopRequested_~tmp___2~0#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~0#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~0#1; 51984#L138-130 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~0#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~0#1; 47648#L165-130 anyStopRequested_#t~ret10#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret10#1;havoc anyStopRequested_#t~ret10#1; 47649#L1270 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~9#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~9#1; 48663#L1334 isIdle_#t~ret15#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~5#1 := isIdle_#t~ret15#1;havoc isIdle_#t~ret15#1;isIdle_~retValue_acc~10#1 := (if 0 == isIdle_~tmp~5#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~10#1; 48442#L1347 cleanup_#t~ret129#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~27#1 := cleanup_#t~ret129#1;havoc cleanup_#t~ret129#1; 48443#L3144 assume !(0 != cleanup_~tmp~27#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret67#1, timeShift_~tmp~15#1;havoc timeShift_~tmp~15#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 48637#L1171-2 timeShift_#t~ret67#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~15#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 50514#L2181-2 assume 0 != timeShift_~tmp~15#1; 50127#L2182-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 50128#L2181-3 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret4#1, __utac_acc__Specification9_spec__3_#t~ret5#1, __utac_acc__Specification9_spec__3_#t~ret6#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~0#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~4#1;havoc getCurrentFloorID_~retValue_acc~4#1;getCurrentFloorID_~retValue_acc~4#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~4#1; 50980#L1162-21 __utac_acc__Specification9_spec__3_#t~ret4#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~0#1 := __utac_acc__Specification9_spec__3_#t~ret4#1;havoc __utac_acc__Specification9_spec__3_#t~ret4#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~0#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~8#1;havoc isEmpty_~retValue_acc~8#1; 51511#L1222-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~8#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~8#1; 48084#L1254-25 __utac_acc__Specification9_spec__3_#t~ret5#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret5#1;havoc __utac_acc__Specification9_spec__3_#t~ret5#1; 47432#L804-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 47433#L1171-3 __utac_acc__Specification9_spec__3_#t~ret6#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret6#1;havoc __utac_acc__Specification9_spec__3_#t~ret6#1; 51885#L814-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1; 51886#L815-1 assume 0 == __utac_acc__Specification9_spec__3_~floor~0#1; 47073#L816-2 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 46831#L814-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 49230#L2199-1 assume { :end_inline_timeShift } true;cleanup_~i~1#1 := 1 + cleanup_~i~1#1; 46983#L3124-2 [2021-12-19 19:00:34,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:00:34,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1674661004, now seen corresponding path program 1 times [2021-12-19 19:00:34,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:00:34,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451530895] [2021-12-19 19:00:34,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:00:34,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:00:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:00:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:00:34,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:00:34,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451530895] [2021-12-19 19:00:34,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451530895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:00:34,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:00:34,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 19:00:34,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048818619] [2021-12-19 19:00:34,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:00:34,070 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 19:00:34,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:00:34,070 INFO L85 PathProgramCache]: Analyzing trace with hash 2096325500, now seen corresponding path program 1 times [2021-12-19 19:00:34,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:00:34,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542158881] [2021-12-19 19:00:34,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:00:34,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:00:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:00:34,076 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:00:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:00:34,093 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:00:34,496 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 19:00:34,497 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 19:00:34,497 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 19:00:34,497 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 19:00:34,497 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 19:00:34,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:00:34,497 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 19:00:34,497 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 19:00:34,498 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product32.cil.c_Iteration3_Loop [2021-12-19 19:00:34,498 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 19:00:34,498 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 19:00:34,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 19:00:34,873 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 19:00:34,873 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 19:00:34,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:00:34,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:00:34,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:00:34,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-19 19:00:34,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:00:34,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:00:34,915 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:00:34,916 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_#t~ret11#1=0} Honda state: {ULTIMATE.start_anyStopRequested_#t~ret11#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:00:34,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-19 19:00:34,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:00:34,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:00:34,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:00:34,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-19 19:00:34,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:00:34,936 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:00:34,957 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:00:34,957 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~persons_0~0=1} Honda state: {~persons_0~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:00:34,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-19 19:00:34,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:00:34,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:00:34,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:00:34,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:00:34,994 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:00:35,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-19 19:00:35,011 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:00:35,011 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret6#1=0} Honda state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:00:35,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-19 19:00:35,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:00:35,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:00:35,040 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:00:35,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:00:35,066 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:00:35,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-19 19:00:35,092 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:00:35,092 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isEmpty_#res#1=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~tmp___1~0#1=0} Honda state: {ULTIMATE.start_isEmpty_#res#1=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~tmp___1~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:00:35,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-19 19:00:35,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:00:35,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:00:35,110 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:00:35,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:00:35,126 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:00:35,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-19 19:00:35,143 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:00:35,143 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret67#1=0} Honda state: {ULTIMATE.start_timeShift_#t~ret67#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:00:35,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-19 19:00:35,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:00:35,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:00:35,161 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:00:35,165 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:00:35,165 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:00:35,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-19 19:00:35,186 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 19:00:35,186 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___0~1#1=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___0~1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-19 19:00:35,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-19 19:00:35,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:00:35,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:00:35,204 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:00:35,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-19 19:00:35,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 19:00:35,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:00:35,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-19 19:00:35,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:00:35,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:00:35,248 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 19:00:35,252 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 19:00:35,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 19:00:35,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process